Lawrence R Smith
Engineers in Lakewood, CO
License number
Utah 187781-2202
Issued Date
Jul 22, 1994
Expiration Date
Mar 31, 2017
Category
Engineer/Land Surveyor
Type
Professional Engineer
Address
Address
Lakewood, CO
Personal information
See more information about Lawrence R Smith at radaris.comName
Address
Phone
3606 E Pikes Peak Ave, Colorado Springs, CO 80909
Professional information
Sales Representative At Liberty Mutual
Position:
Sales Representative at Liberty Mutual
Location:
Greater Denver Area
Industry:
Insurance
Work:
Liberty Mutual
-
Sales Representative
Education:
University of Nebraska at Kearney 1989 - 1993
Apparatus And Method For Tinting Hydrophilic Contact Lenses
US Patent:
4733959, Mar 29, 1988
Filed:
May 1, 1985
Appl. No.:
6/729457
Inventors:
Eric R. Claussen - Denver CO
William C. Hoffman - Denver CO
Lawrence A. Smith - Denver CO
William C. Hoffman - Denver CO
Lawrence A. Smith - Denver CO
Assignee:
Optatint, Inc. - Englewood CO
International Classification:
G02C 704, D06P 500
US Classification:
351177
Abstract:
An apparatus and method for tinting hydrophilic contact lenses wherein a base having at least one post whose remote end is shaped for receiving and positioning a hydrophilic contact lens, and at least one cap which when placed in communication with the post and the lens masks one or more predetermined areas of the lens, is assembled with a lens positioned on the end of a post which is then capped. The assembly is immersed in a dye bath and then removed therefrom when the lens has attained the desired color, after which the assembly is placed in a fixing solution such that the lens is tinted permanently and fluid transport and oxygen permeability are unaffected.